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Finding the Fourth Proportional to 502,204.80, 753,307.20 and 169,780.80

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Solution

The fourth proportional to 502,204.80, 753,307.20 and 169,780.80 is: 254,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,204.80 : 753,307.20 = 169,780.80 : x
  2. Step 2: Convert to fraction form
    502,204.80/753,307.20 = 169,780.80/x
  3. Step 3: Cross multiply
    502,204.80x = 753,307.20 × 169,780.80
  4. Step 4: Simplify right side
    502,204.80x = 127,897,099,061.76
  5. Step 5: Solve for x
    x = 127,897,099,061.76/502,204.80
  6. Step 6: Final answer
    x = 254,671.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.